Young, M. H., Albright, W. H., Pohlmann, K. F., Pohll, G. M., Zachritz, W. H., Zitzer, S. F., Shafer, D. S., Nester, I., Oyelowo, L. (2006). Designing alternative landfill covers using parametric uncertainty analysis, Unsaturated Soils 2006: Proceedings of the Fourth International Conference on Unsaturated Soils, Geotechnical Special Publication, No. 147, 682-693, ASCE: Reston, VA, April 2, 2006-April 6, 2006